I would say that depends on your skin. I have very sensitive skin and I foundtemps mejeur serum to be very gentle on my skin. If you find the combination to be harsh perhaps you should alternate the use or use the temps majeur for several days straight. you will probably find it works quite well alone and then add the others as needed.

Jackie H:Hi Paulina, I was a skin care professional before my daughter came along and a serum is generally always used after toner and before moisturizer unless otherwise directed, hope that helps!Apr 16, 2014

A shopper asked:I have a dry sensitive skin and I'm looking for a hydrated radiant even toned skin . Do you think this product would do it for me ? I'm 29 years old and just gave birth 2 months agoJul 30, 2013

Jackie H:Hi Marisa, a serum is to be used after toner and before moisturizer as a serum significantly intensifies the benefits of the moisturizer to follow. As far as association it's generally wise to use products within the same indication range and brand to reap full benefits and potential of the product line. Hope that helps.Apr 16, 2014